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however, so marked as in Man, and the phrase " Ex pede
Hercnlem " has heen aptly supplemented by " Ex calce hominem."
The hair upon the head forms a kind of crest, which can be
elevated when the animal is enraged. The neck is thick and
short, and the beast has massive shoulders and a broad chest.

If it were not for the fewness of the Anthropoid Apes, and
their nearness to Man, it is doubtful whether the Gorilla would
be ranked as a distinct genus,1 for In internal structure it is

FIG. 274.—Gorilla,    Gorilla gorilla, ? .     x %,
very near the Chimpanzee. The microscopic character of the
investigations into the anatomy of Man have somewhat dimmed
the proper sense of perspective, and have tended to throw into
greater prominence than seems necessary the divergences of
structure seen in the Gorilla. Dr. Keith 2 has recently summed
up and commented upon these divergences, and the following
account of this Anthropoid is mainly deduced from his memoir.
The cranial capacity of the Gorilla is greater than that
of the Chimpanzee. It is not possible, however, to decide from
this point of view whether a given skull is that of one or of the
other of these Apes. Some Chimpanzees are higher in capacity
1 It is not so ranked by everybody.             3 P/*oe* Zool. Soc. 1899, p. 296.